Revert "[CMake] Unify llvm_check_linker_flag and llvm_check_compiler_linker_flag"

This reverts commit efae3174f09560353fb0f3d528bcbffe060d5438 since
it broke the standalone Flang build.

NOKEYCHECK=True
GitOrigin-RevId: 24d144571dbffc6993d13fb7ca781248eed024de
1 file changed
tree: 11552af56375d9a353f20e29dba5423606b24efb
  1. cmake/
  2. docs/
  3. include/
  4. src/
  5. test/
  6. .clang-format
  7. CMakeLists.txt
  8. LICENSE.TXT